- Voltage
- Current
- Electric Potential Energy
- Electromotive Force
- B
-
Unit of Electric Current is Ampere.
The symbol of Ampere is A.
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Ozone layer blocks ____ coming from sun.
- UV rays
- X-Rays
- Gamma Rays
- Infrared Rays
- A
-
Ozone formula is O3.
Ozone is an organic molecule.
The molar mass of Ozone is 48.
We use ammeter to measure the _____
- Current
- Voltage
- Electromotive Force
- Charge
- A
-
Ammeter is used to measure current (AC & DC).
AC stands for Alternative Current.
DC stands for Direct Current.
Ammeter was invented by Friedrich Dexler in 1884.
A light year is distance _____
- Travelled by Earth in one year
- Of Galaxy from Earth
- Travelled by the nearest star in one year
- Travelled by light in one year
- D
-
A light year is a unit of distance.
Light travels at a velocity of 300,000 Km/sec.
One light year is equal to 9.5 X 1012 Km.
Most prominent gas which leads to acidification is _____
- Hydrogen
- Oxygen
- Sulfuric Dioxide
- Nitrogen
- C
-
Sulfuric Dioxide gas usually emitted from the industries.
Sulfuric Dioxide is main cause of Acidic Rain.
The planet ____ is heaviest planet in solar system?
- Mars
- Serum
- Jupiter
- Uranus
- C
-
Saturn is the lightest planet in our solar system.
Which disease chiefly occurs due to over eating or taking an ill balanced food?
- Dyspepsia or Indigestion
- Diarrhea
- Constipation
- Dysentery
- A
-
Over eating is also cause of Diabetes, Heart disease and stroke.
The foods with very high energy source are:
- Carbohydrates
- Fats
- Proteins
- Minerals
- A
-
Carbohydrates, Proteins, Fats are very high sources of energy.
Fats have maximum Calorific Value.
“Richter Scale” is used for measuring:
- Rainfall
- Water level in the dam
- Magnitude of Earthquake
- Magnitude of Velocity
- C
-
Richter Scale was invented by Charles Richter in 1930.
The smallest particles of the soil are:
- Sand
- Silt
- Clay
- Mud
- C
-
The clay particles average size is 0.0002 mm.
The average size of sand is 0.0625 mm.
The average size of silt is 0.002 mm.